数字基带传输系统的MATLAB仿真实现

function [sampl,re_sampl]=system_1(A,F,P,D,snr,m,N)

输入变量A ,F,P分别为输入信号的幅度、频率和相位，D为量化电平数，snr

为信道信噪比，N为D/A转换时的内插点数；输出变量sampl为抽样后的输入

信号，re_sampl为恢复出的输入信号。

数字基带传输系统的MATLAB仿真实现

[sampl,quant,pcm]=a_d_1(A,F,P,D)

[changed_ami]=signal_encod_1(pcm)

[ami_after_channel]=channel_1(changed_ami,snr)

[adjudged_ami]=adjudg_1(ami_after_channel,m)

re_pcm=signal_decod_1(adjudged_ami)

[re_voltag,re_sampl,re_sampl1]=d_a_1(re_pcm,sampl,D,N)-Digital baseband transmission system implementation MATLAB simulation function [sampl, re_sampl] = system_1 (A, F, P, D, snr, m, N)　input variables A, F, P, respectively, for the input signal amplitude, frequency and phase , D to quantify the number of electric-ping, snr　for the channel signal to noise ratio, N to D/A converter when the interpolation points　output variables for the sample after Sampl input　signal, re_sampl for the restoration of the input signal.　 Digital baseband transmission system simulation MATLAB implementation　[sampl, quant, pcm] = a_d_1 (A, F, P, D) [changed_ami] = signal_encod_1 (pcm) [ami_after_channel] = channel_1 (changed_ami, snr) [adjudged_ami] = adjudg_1 (ami_after_channel, m) re_pcm = signal_decod_1 (adjudged_ami) [re_voltag, re_sampl, re_sampl1] = d_a_1 (re_pcm, sampl, D, N)